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Honeywell CM727 Manual

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10 CM700 Wireless - Programmable Room Thermostat
4.5.2 Category 2 - System Settings
5) Additional Installation Information
5.1 Binding / Rebinding Procedure
The binding operation described below is required if:
• Anyofthesystemcomponents(roomthermostatorrelaybox)arereplaced.
• Therelayboxhasincorrectornobindingdatastored(e.g.whenpre-boundsystempackcomponents
have been mismatched).
NOTE: During the binding procedure keep approximately 1m distance between the room thermostat and
the relay box.
To bind/rebind:
1.
Press and hold the relay box push button for 15 seconds to reset any previously stored data. After 15
seconds the red LED will change to flashing 0.1sec on/0.9sec off.
NOTE: After 5 seconds the red LED will start to flash 0.5sec on/0.5sec off, but continue to hold the
button).
2.
Release the push button.
3. Press and hold the relay box push button for 5 seconds to enter the binding mode. The Red LED will
start flashing at 0.5sec on/0.5sec off to confirm the binding mode has been entered.
4. Press the OFF button on the room thermostat. Then press the and buttons together along with
the button. The unit will display InSt and ‘CONTROL BINDING’.
5. Press the green button to send the binding signal out to the relay box. The red LED is switched off
to confirm successful binding operation. If the red LED still flashes push the button again until binding
is successful.
6. Now go to Section 2) Installing the CM700 Wireless System to setup the system.
Note
1) Remember to always press the green button to confirm that you want to store your new Installer Set-
Up setting. To exit the Installer Mode press the AUTO or MAN button.
Parameter Parameter
No.
Factory Default Setting Optional Setting
Category 2 Parameters – System Settings (press the
button to access this category)
Display Description Display Description
Minimum boiler
ON time
1:Ot 1 1 minute minimum
ON time
2 to 5 Selection of 2, 3, 4 or 5 minutes
minimum ON time
Cycle Rate 2:Cr 6 6 cycles per hour
(cph)
3,9 or
12
Selection of 3, 9 or 12 cph
Pump Exercise 5:PE 0 Pump exercise
disabled
1 Pump exercise enabled
System
Synchronisation
6:Sn 0 Standard operation
of the Room Unit
1 Room unit configured as
Synchroniser
Loss of
Communications
Instruction
7:LC 0 Relay Off 1 Relay 20% on / 80% off
… 10


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  • My heating is not coming on when I set it to the manual button Submitted on 26-5-2023 at 15:50

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    • It may be because the room temperature is already at temp. Try turning the temp up and see if it fires. Answered on 27-5-2023 at 08:53

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  • When I set my thermostat to manual the heating doesn’t come on, where am I going wrong. Thank you Submitted on 26-5-2023 at 15:49

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  • We’re going away for 4 weeks soon , I’ve set the Thermos on Auto to come on twice a day for an hour to prevent any freezing in the pipes- will the thermos still come on automatically between the set times if the temp drops below a certain level? In other words, will our heating be on full time when we’re away during a cold snap? Obviously this is going to incur high charges for us .Any advice appreciated Submitted on 12-12-2022 at 06:43

    Reply Report abuse

  • Hi I have a CM721 and CM727 Honeywell Thermostat.
    I cannot manage to keep the temperature to remain constant, IE At night I sometimes need 23 C to stay warm during the night ( otherwise I get cramp! )
    Which button/s do I press and in which sequence please ?
    Many Thanks,

    Alan
    Submitted on 15-11-2021 at 12:31

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    • You’d have to leave the thermostat on manual and adjust the temperature with the up and down arrow buttons to the right hand side of the screen Answered on 15-11-2021 at 12:33

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  • Why does the heating come on outside of the times I have set it to come on, when in auto mode? Submitted on 3-11-2021 at 08:16

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